In a gallop poll of 1005 randomly selected americans in

Reference no: EM13382335

In a gallop poll of 1005 randomly selected Americans in April 2006, 482 responded "yes" to the question " do you consider the amount of federal income tax you have to pay as too high?"

a. If appropriate, find a 90% confidence interval for the population of all Americans who consider that the amount of federal income tax they pay as too high.

b. If appropriate, find a 99% confidence interval for the population proportion of all Americans who consider that the amount of federal income tax they pay as too high.

Reference no: EM13382335

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